Wiring; Grounding - Toshiba LF620 Instruction Manual

5.4 Wiring

Do not wire cables and replace parts when
power is supplied.
DON'T

5.4.1 Grounding

(1) Grounding the LF620 type
LF620
Ground as shown in Figure 5.3. Make the grounding wire as short as possible. Use grounding wire
material of IV wire 5.5mm
grounding current may flow. (An independent grounding is preferable.)
Conductive material pipe
Example: Metal, etc.
• If the piping material is conductive, connect
the grounding wires to the both ends of the
piping flange.
CAUTION
Wiring work and replacing
parts in the power-on state
may cause electric shock.
2
or more. Do not share grounding wire with other instruments where
Grounding terminal
Grounding wire
• If the piping material is non-conductive, perform
grounding resistance 100Ω or less.
Figure 5.3 Grounding the LF620 Type
− 25 −
Do not work on piping and wiring with wet hands.
Wet hands may result in electric
shock.
DON'T
Piping of non-conductive material
Example: Resin or metal piping whose
inside is resin-lined, etc.
6 F 8 A 0 9 2 7
grounding resistance
100Ω or more